Cash register



Aug. 30, 1932.

C.. W. GREEN CASH REGISTER Filed.April 13, 1927 8Sheets-Sheet 1 Aug. 30,1932. c. w. GREEN 1874285 CASH REGISTER Filed April 13, 1927 8Sheets-Sheet 2 Jwmmi'or g Charles w. Greerz, fl M Gum,

A118. 1932. c w GREEN 1,874,285

CASH REGISTER FiledApril 13, 1927 8 Sheets-Sheet 5 Aug. 30, 1932.

C. W. GREEN CASH REGISTER Fled April 15. 1927 8 Sheets-Sheet 4 C. W.GREEN Aug. 30, 1932.

CASH REGISTER Filed April 15, 1927 8 Sheets-Sheet 5 C. W. GRE

CASH REGISTER Filed April 13, 1927 8 Sheets-Sheet 6 C. W. GREEN CASHREGISTER Aug. 30, 1932.

Filed April 15, 1927 8 Shaets-Sheet 7 c. w. GREEN 1,874,285

CASH REGISTER Fi1ed P il 13, 1927 8 Sheets-Sheet 8 Aug. 30, 1932.

Patented Aug. 30, 1932 UNITED STATES PATENT on=rcs CHARLES W. GREEN, OFILION, NEW YORK, ASSIGNOR, BY MESNE ASSIGNMEN'TS, TO THE NATIONAL CASHREGISTER CQMPANY, OF DAYTON, OHIO, A CORPORA'IION OF MARYLAND CASHREGISTER This nvention relates to accounting machines in general andparticularly to improvements in cash registers: and it consists largelyin the pecnliar construction, arrangement and combination of differentparts whereby a very positive operation of the Whole device is obtainedin a very simple manner, the construction precluding any ir regularoperation or tampering with fraudulent intent which is usually the maincause of the parts getting out of order.

An object of the present invention is to construct a machine of thecharacter described in such a manner that there are comparatively fewparts and, therefore, the machine may be constructed at a low oost, butwithout sacrificing accuracy of operation or durability.

The machine shown is of the so-called key- 2 operated type and it is anobject of the in vention to provide such a-construcon that nearly all ofthe operating parts may be punched from sheet metal, thus requiring verylittle machine-werk and thereby tending towarcl a 10W cost ofmanufacture of parts and their assembly into a complete machine. lVhilethe present invention has been disclosed in connection with a machine ofa particular type, it willbe clear that many 80 of the features to bedescribed are, by reason of their simplicity and effectiveness,adaptable to machines of other types than the keyoperated machine inconnection with which they are shown.

In carrying out the foregoing objects the present imention provides animproved key coupler mechanism for the performance of functions wellknown to those skillecl in the art. It is common in the class ofmachines to which the present improvements are applied to provide adriving mechanism usually consisting of a shaft driven or operable bythe key conpler. In the illnstrative machine the driven shaft has beendone away with and, the key coupler is made to act directly as thedriving mechanism and by nevel connections therewith, a nnmber of theoperating parts of the machine, such as the clrawer release mechanism,indicator controlling devices, and totalizer engaging mechanism arecontrolled.

1927. Serial m. 183,392.

By dispensing with the clriving shaft nd connections to the key couplera number of parts are eliminatecl thereby tending to simplify themachine.

Another special object of the invention is to provide an impro"edcliflerential mechanism which is simple in construction but effective inits performance and at the same time the construction is positive in itsaction so that it is impossible for the operator to improperly throw thediferential mechanism by violent and forcible operation of the keys toregister other than the items represented by the depressed keys.

Briefly, the above object is accomplished in the machine hereindisclosed by mounting a frame for operation by the kcys in such a waythat by the co-operation of stepped pro jections formed on the rear endsof the keys the frame will be differentially actuated but when moved tothe desirecl extent the opposite side of the frame will co-operate witha complementary projection formed toward the front end of the operatedkey thereby locking the frame at the end of the stroke to preventoverthrow. Thus a positive stop is provided for each diflerential frameand actuator when the latter reaches the pos tion determined by the keydepressed, and at the same time stops are thus provided for thetotalizer pinions which have been engaged with the actuators during therocking of the latter.

In respect to the totalizer and transfer mechanism therefor, it is alsoan object to provide an improved form of construction whereby the framewhich carries the reading elements of the totalizer is normally out ofengagement with the actuators and is positively held in such position.As is usual during an operation of the machine, it is necessary to lowerthe totalizer wheel supporting shaftin order to secure a properengagement between the totalizer wheel pinions and their actuatingsegments and to antomatically raise the shaft to disengage these partsat the end of an accumnlating operation. The means contemplated by thepresent invention for this purpose is positive in its action andalthough operated solely by an oscillatable given a complete rotationduring each opera;

tion.of the machin'e.

Anotlier object of the inve1ition is to provide in the machine shovvn atotalizerand a totalizer resetting mechanism welladapted by simplicityof construction and easy =opera tion to facilitate resetting operationswhen desired.

In connection withthe variousoperable elements of the machine,surh asthe operating keys, the resetting devices ancl the-draweri;

mechanism, it is anobject to provideasimple and eftectwe means toproperly regulzite the1r operation. For example, the systenicontemplatedis so designed that in certain positions of a generalcontrolling lever the operating keys may be so controlled that theiroperabil ity Will be eitherdependentuponbr independent ofthe position ofthe cash clravver as desired; While in still another psition of thelever the operating keys may be completely and effertively locked. Instill another position of adjustmeht of the lever theoperating keys arealso.locked lont this positiori is primarily for the purpose ofpermittingreset ting of the totalizer elements and read-ingbf the latterthroughapertiues formed in the machine cabinet; It is also a part ofthe-invention to provide means vvhereby the totalizerelements may onlylc-e read vvhen the Control lever is in this definiteposition of adjust;

ment.

In respect to the general control lever it is also an ObJGC -to providean improvedform of aligning mechanism so co-orclinated with a look thatwhen the latter is operated the control lever is locked in whateierposition it may have been adjusted t0.

Still an-other object of the inventior is to provide an improvedn1echan1sm for exposing the inclicators and this feature of theinventionrelatespnmanly to the form of the 1nd1- cators per se and therarrangement as well as to the peculiar construction of the meansemployed for holding up the operated tablets and .releasing at e achoperation those that have been previouslyoaerated Tablet indicators areemployed in the illustrative ma chine since the inherent characteristicsof indicators of this type provide many advantages over others. Theypresent a plane sur face to the eye and theextent of surface 0n each isgreat enough to permit the use of char acters of such size that they maybe read trom arasonable distance. One disadvantage of the usu al form oftablet indicators, .however, as applied t0a machine of the general typeovercome. While such grouping of the indicators liminates many of theobjectionalole features of the prior art constructions in which theindicators are otherwise arranged the grouping of indicators indifferent denominationsalso brings up another objection. Since theindicators due to their thickness, cannot be arranged in substantiallythe Same plane 0r within reasonable distance of the glass throixgh whichthey are.read, they are apt to conceal one another When viewed fro1n anyposition eXcept from directly in front of the machine, and thus havetheir utility greatly diminished. This problem in "the machine shown hasbeen solvd by dividing the indicators of a particular denominationalgroup urthr into separate smaller groups. The construction andarrangement which have been devised result in an indication which isvery satisfactory both from the viewpoint of manufacture and commer'cialuse.

The indicators are simple in construction and are formed without lugs oranyother projectionsand co-operate witha vving plate which is peculiarlyconstrricted and so arranged that it co-operates with the indicators toheld them in elevated position until it is desired to drop them andanyatternpt to orce an indicator beyond the exposed position is alsoeffectively prevented.

Yet another object extends to the improvement of the single keymechanism or the devices used to prevent the simultaneous operation oftvvo or more keys in the same group. The pendants utilized are ofsubstantially the usual form but by the peculiar construction of thesupporting platethe pendants are fu1 crumed without the necessity ofproviding the usual pivot studs. Ease of manufacture and assemlolynaturally result rom this improved construction and arrangement.

Ma ny other improvements a re incorporated inthe present machine amongvvhich may be mentiond the provision of a device f0r ringing a bell ateach operation of the machine, which isextremely simple, practical andclurable. The present improvements have alsobeen extended to the drawerrelease mechanism vvhich is a unit simple in construction, that byitsimproved design has overcome many of the defectsof constructionsheretofore employed.

VVith these and incidental objects in view the invention consists incertain novel features of construct1on and comb1nat1on of showingparticnlarly the arrangement of the operating keys. This view also showsthe adjustable lever for exercising control over the machine as well asthe opening through which the totals may be read.

Fig. 2 is a sectional view of the machine taken substantially throughits mid-portion. This view shows particularly the differential andtotalizing devices and the means whereby they may be brought into andout of cooperative relationship.

Fig. 3 is a detail view in side elevation of the elements comprising thetotalizing engaging mechanism.

Fig. 4 is a top plan view of the machine, the cabinet being ct away toshow the arrangement of the mechanisms located within. This view showssubstantially all the devices utilized for registering and indicatingoperations as controlled by the varions operating keys.

Fig. 5 is a partial sectional view taken through the machine showing thediferential mechanism, the totalizing device and a modification of themeans for engagingthe totalizer with the cliflerential actuators.-

Fig. 6 is a top plan view showing a portion of the transfer mechanismand illustrates how the totalizing device is mounted in the stationarysupport frame.

Fig. 7 is a cross sectional view of the totalizer showing the transfermechanism.

Fig. 7 a is a detail of the lowest order transfer operating cam.

Fig. 8 is a view in side elevation showing theposition that the partsassume when a transfer is to be effected.

Fig. 8ais a detail of certain parts which serve to restore the transferpawls during resetting.

Fig. 9 is a top plan view of the totalizer and its transfer mechanism.

Fig. 10 is a partial view of the back of the machine showing the formand arrange ment of the indicators and the single key mechanism.

Fig. 11 is a sectional view taken on the line 1111 of Fig. 10.

F ig. 12 is a front elevation of the drawer release mechanism andassociated controlling devices.

Fig. 13 is a top plan view of a number of the elements associated withthe controlling device for themachine.

Fig. 14 is a view in side elevation showing the control lever in theOpen drawer position and its effect upon the key locking devices anddrawer release mechanism. This view also shows a portion of theresetting devices.

Fig. 15 is a view of the key utilized to per-- form resettingoperations.

F ig. 16 is a View in side ele"ation of a portion of the mechanismntilized to prevent or allow resetting operations. This "iew also showsthe lock for locking the control lever in its adjnsted position.

Fig. 17 is an end view of the machine showing particularly thefull-stroke device, the bell sounding mechanism and the indicatorrelease mechanism.

F or convenience of description the principal elements of the machinewill first be enumerated and their general purpose, arrangement andco-operation will be hriefiy explained in order to indicate the generaloperation of the machine as a whole, after which the preferredconstruction of these parts will be described more in detail togetherwith the function, construction and operation of certain seconclar v oraccessory mechanisms associated therewith.

Briefly stated, the invention has been disclosed in connection with akey-operated cash register having a plurality of banks of amount keysand a special key designated as the N 0 sale key. All of the amount keyshave connections to the indicator tablets and, furthermore, operate aclifi'erential mechanism so as to insert the items in the totalizer. Asis usual in this class of machines, as the keys are operated they areconnected to a key coupler which, in the present instance, is the soledriving means for the varions common mechanisms operated by all of thekeys.

In order to permit operation of the Inachine in different ways, such as,requiring the cash drawer to be retnrned before the keys maySubsequently be operatecl, or permitting the machine to be succcssivel vopcrated irrespecti"e of the position of the cash drawer, a single leveris provided. for controlling the intended mode of operation. Movement ofthis lever to another positi on fnrthermore will totally look the keysagainst manipulation.

At the termination of a days business the same control lever may bebronght to still another position clesignated as 'lotal and reset inwhich the machine is conditioned for the reading of the total, as wel asa resetting operation. In this position of the control lever the cashdrawer is released but the k-eys are locked against operation.

Resetting in the present machine is accomplished by inserting adetachable key the rotation of which results in bringing the total leverin any of its difierentially adjusted posi 5 tiens a suitable aligningor detent device is provided and when the bolt of a lock,the key ofWhich is usally retained by the proprietor or any authorized person, isprojected, the aligning device will be held against move l ment thuslocking the cntrol lever in its particular position of adjustment.

The total of the amounts may only be read when the control lever isbrought to the Total and reset position, since in other m positions ofthe control lever the totalizer elements are concealed by a shield orshutter.

The g"eneral organizatin and operation of the machine as a whole havingbeen thus out- 1ined the preferred construction of the varions partsabove referred to will I1OW be described more in detail.

nected t0 cross members so as to provide a rigid frameWork structure.The forward and lower portions of the plates 20 and 21 are connected bya cross member 22 (Fig. 2) said plates being connected together at theirrearward portions by cross 1nembers 23.and 24 (Fig. 2) and anintermediate cross member 25. The side plates are connected to the crossmembers just referred to by any suitable means sr1ch as screws passingthrough the side plates and into the cross members. The framevvork justdescribed rests npona drawer base 26 and may be attached 'thereto byscrevvs passing through the cross members 22 and 23 and into the top ofthe dravver base. As best shown in Fig. 1, the mechanism is enclosed bya cabinet 27 Whieh may be made of any desired material. The cabinet isslotted at 28 to receive an d guide the key levers in their movementsand is, urther more, apertured at its upper end to permit the viewing ofthe elevated indicators through suitable diaphanous material at thefront andrear. The cabinet vvhich is preone grup or registering amountsfrom 1g t0 9e, another group or registering ainonnts ranging from e to90gand a third groups or registering values of 31 to 59, Ob vionsly;

'25 bv screws 37.

more amonnt keys cold be provided if derelatively thin material, theseplates and 21 are punched and drawn outwardly at the proper points so aste form portions 34 (Fig. 4) in the form of collars, the internal borebeing substantially the diameter of thekey supporting shai't 33. By theconstruction ust described a suitable journal is provided for the shaft33 at each end since the weight of the shaft and parts carried therebyis distributed over a relatively large hearing surace. Itwill be notedthat when the cabinet is in place any lateral niovement of the shaft 33Will be efiectively prevented since the side portions of thecabinet Willsubstantiallycontact vvith the ends of the shaft.

The amount keys 32 and No sale key 31 which carry at the front portionsof the levers suitable key caps bearing indicia designating the natureof the keys, play in the slots 28 ormed in the cabinet. At their rearends the lreys are guided by slots 35 (Figs. 2 and 10) formed in a plate36 secured to the cross bar All thekeys are providedvvith notches 38(Fig.2) adapted to receive the rearward end of a key copler 39 whichextends between the side plates 20 and 21 and vvhich rests upon therearends of the keys. The key coupler is pivotallysupported bymeans ofplates 40 and4 l*(Figs. 2, 4 5 and 9) attached to the key conpler andwhich are suitably apertured to receive a shaft 42 which is located insubstantially the mid-portion 01" the machine. The shaft 42 is supportedby the side plates 20 and 21 in a manner similar tothe shaft 33. It willbe obvious that when the forward ends of the operating keys aredepressed the key c0upler 39 Will be rocked clockwisesothat its rearwardend will enter the notches 38 of the depressed keys. The purpose of suchkey coupler mechanism is Well known in the art and need not bediscussedhereim It is essential that some device be provided teinsureac-omplete performance of the started reg1stratmn before a secondoperation aan subsequently be efiected. T0. this end any suitablemechanism may be provided but in the present instance theplate 41 (Fig,17)

Which supports one end of. the key couplerls extended npvvardly and tothe rear to form a segment 43 provided with teeth 44 adaptedto co-actWith a paW l 45 to which a spring is connected: Very early in theoperation of the machine the engaging end of the pawl Will coact withone of the teeth and therby held the key coupler and key in theiroperated positions even thou h pressure on the keymay be released anduring the subsequent portion of the downstroke of the key the ratchetingof the pawl over the teeth will prevent any retrograde "movement of thekey orkey coupler. At the termination of the down-stroke of the key, thefull-stroke pawl Will be disengaged from the rack thus permitting therestoration of the keys and the key coupler but at thesame time afterthe return movement has commenced movement in the opposite direction isprevented;

As will be noted in Fig. 2, the rear ends of the keys are formed withupstanding projections 46', the forward edges of which are substantially concentric with respect to the key ooupler supporting shaft42. When the key coupler is being operated the rearward end thereof willpass in front of the concentric portions of the unoperated keys therebylocking them against mwement. Since this mechanism is well known in theart it need not be discussed herein in further detail.

Difierentz'al mecham'am The difi'erential mechanisme or devicescontrolled by the various groups of keys for entering the desiredamounts in the totalizer are all similar in construction and prinoipleof operation and a description of one Will suflce for all.

The differential device associated with the dollars bank of keys isshown in Fig. 2 wherein it Will be noted that mounted upon the shaft 42is a frame comprising parallel side members 47 (see also Fig. 4)integrally joined by a cross bar or bail 48 which normally stands o"erthe projections 46 of the keys of the dollars bank. The frame justdescribed is attachecl to the shaft 42 by a pin 49 (Fig. 4). Alsoattached to the sl1aft 42 at substantially its mid-portion is asegmental rack 50 adapted to operate the dollars element of thetotalizing devices to be described hereinafter in detail.

As Will be noted in Fig. 2, the rearward portions of the upstandingprojeotions 46 of the keys of a group are suitably cut away so as toform steps 51 which are at different distances from the cross bar 48.The graduations are directly in the path of the cross bar 48, theconsequence being that when the keys are depressed a lost motion isefi'ected between the ke vs and the frame, but at a certain time thestep 51 of the depressed key will coact with the frame to operate it andin this manner a diferential movement is given to the frame dependingupon the key depressed. All of the keys of the dollars bank have thesame extent of movement and since in this manner the rack 50 Will beoperated difl'erentially the associated totalizer element Will beoperated correspondingly.

The differential frame assooiated with the 'by a connecting stud.56.

cents bank of keys is shown in Fig. 4 and denoted by reference character52, this frame beingloosely mountecl upon the shaft 42 and one of theside members ofthe frame has attachedthereto a cents operating raclr 53.The

nine keys associated with the cents bank arepro vicled with differentialgracluations similar to those describecl in connection with the dollarsbank of keys.

The frame member 54 associated with the dimes bank of keys is also shownin Fig. 4, and is loosely mount-ecl upon the shaft 42 but is conneotedto the dimes operating raak 55 (F ig. 7

F rom the above, it will be evident that depression of keys in one ormore groups of keys Will adjust tbeir corresponding racks t0 effect theproper registration. Attention s directed to the fact that the No salekey 31 is outsicle of the range of the dollars differential frame andWill, therefore, have no effect on the diferential devices whenoperated.

As best shown in Figs. 2 and 4, the parallel sicle members of thedollars frame are EX tended forwarcl of the shaft 42 and are joinedtogether by a cross rocl 57 to provide an additional control wherebyoverthrow of the frame is provented. It Wlll be seen in Fig. 2 thatdireotly over the key supporting shaft 33 the keys are provided withupstanding portions 58, the upper edges of which are at differentheights so as to provide differential steps which are complementary withrespect to the steps 51. From this construction it follows that as thekey is depressed the projection 51 will co-operate with the cross bar 48rocking the frame dilferentially until the rod 57 engages the upstandingportion 58 of the depressed key at which time the frame will bepositively locked inasmuch as the graduations of the lre vs cooperatewith opposite sides of the diiferential frame. This locking action takesplace at substantially the termination of the down-stroke of the keys atwhich time the dilferentially operated racks will thns also be held intheir adjusted positions. It will also be notecl in Fig. 2, that theforward edges of the upstanding projections 58 are concentric withrespect to the shaft 42 so that as the cross rod 57 co-acts with thestepof the operated ke v there Wlll be no interference between the cross rod57. and the upstanding portions 58 of the unoperated keys of that bank.

.A similar ov erthrow preventing means is provided for each bank of keysso that upon the depression of the keys of different banks the framesand associated racks will not be carried beyond the positions which theyare intended to assume.

Positroe return of actuat0rs arwl difierential frames lVhen a key isfully depressed and then returnecl to its normal position by means of ling portions 46 of the various keys in eenprovided for each differentialframe.

the weight of the key copler 39 aswe11 as a spring 59 (Fig.l7) connectedto the key coupler the diiferenti al frame and rack Wi11herestoredfonormal position (shown in Fig. 2) by virtue ofthe balance ofWeight of the several parts of the frame. In order to positively rest0rethe frame to its normal position, however without depending upon theweight of the frame or springs whichmay he connected thereto if desired,there is 1oose1y moui1ted upon the shaft 33 a restoring lever ofbel1-crank formation, one arm 60 of which norinally coacts with theundersideof the key coupler and the other arm 61 ofwhich extendsupwardlyand has a forward edge of cam formati0n normally coacting withthe cross 'rod 57. twill be obvios that when a 'key is depressed the keycoupler wil1 move away from the arm 60 to permit the desired diierentialadjustment of the frame. During the restoration of the key coupler itwill engage the arm 60 and rock the bell-crank so that thecamming edgeof the arm 61 Wil1 coact with the cross rod 57 and positively restorethe frame to its normal position. This mechanism is also duplicated forthe diiferent banks of keys, one of the be11-cranks beng Key 'stops 7While the concentric edges of the upstandjunction with the key couplerare inten de d to lock a11 unoperated keys after the 1n1t1a1 movament ofthe key coupler it is desirable to provide mechanism to preventdepression of more than one key:in a bank during a single operation ofthe machine. For this purpose thsame general type of single keymechanism normally employed is provided and as shown in Fig. 10comprises a series of key stops 62 the wedge-shaped 1ower ends of whichco-operate With the rear endsof the keys in theusua1 manner so that uponthe depression of a key in abank the end of the operated key i1l fi11the only available gap between the key stops in that group and thus lockthe remaining keys. The upper. end of each of the key stops is formeelwith a reduced portion 63 and terminates in a head 64. As best shovvn inFig. 11, the. guide plate 36 is bent so as to form a channel bar section65. The channel bar is provided with a series of rectangular s1ots 66which are somewhat wider thanthe width of the reduced portions 63 of thekey stops. The key stops are applied to the plate 36 in such a marmerthat the reduced portions fit within the rectangular s1ots 66 the head64 of each of the key stops resting upon a 1edge formed by the channelbar. After the key stops are in place the p1ate 36 is attached tothe cross bar 25 by anysuitable means, such as screws 37. The differencebetween the width of the slot 66 and the reduced portioh 63 of the keystop 62permits a slightloscilatory movement of the key stpso thatthe keystops function in exactly the same marmer as if they were fulcrumed bymeans of a pin.

Totali2 er engagz'ng mch am'sm The machine also inc'1udes a totalizingjdevice whereby the items determinecl by the operated keys are registeredso .as to furnish a total of the amounts entered in the machine. Theregistering mechanism in the main is czirried. by a frame comprisingsideplates 67 and 68 (Figs. 2, 4 and 5) which aretied together at their rearends by a cross r0d 69 and bifurcatedat their lower portions to engagethe shaft 42. The frame is heldin position by a shaft 7 0 journaled inthe side frames 20 and 21 and passing through circu1ar apertnres formedin each of the sidemembers 67 and 68.

The totalizing device comprises a frame having side members 71 and 72(Figs. 4, 5 and 6) integrally connected by a cross mem ber 73. Thetotalizer frame carries a shaft 74 upon which is loosely mounted aseries of registering whee1s 75 each having attached thereto a totalizerpinion 76. The totalizer frame is pivoted within the stationary framehyshort pins 77 (Fig. 6) passing through the side members 67 and 68andinto the side members 71 and 72 of the tota1izer frame, These arethepivots a]oout which the totalizer frame is adapted to be rocked duringthe initial depression of the keys sothat the totalizer pinions will beim- -mediately rockedinto engagement withthe actuating racks, the latterbeing then dif ferehtially operated under control of the keys so that atthe extreme end of the depression of the keys a corresponding amountWill have been transferred into the totalizing device. Upon the returnmovement of the keys the totalizer pinions will be disengaged from theracksthus permitting the latter to return to their normal positionswithout affecting the entry made upon the totalizer. The mechanism forefecting the abovemen tioned rocking of the totalizer frame willnow bedescribed.

Loosely mounted npon the shaft 42 and slotted so as to engage the keycoup1er 39 is a segment plate 78 (Figs. 2, 3 and4) which extendsvertically in a plane adjacent the side frame 67. The segment p1ate atits upings. The Shaft 71 nounted in the totalizer frame is adapted to beengaged by an open ended slet formed in a member 88 Which is pivoted at89 to the sepporting frame member 67. The rearwaro end of the memoer 88carries a pin 90 normaiiy resting upon the 1ug and the member 88 is alsoprovided with a pair of stop shoniders 91 and 92 adapted t0 co-operatewith a pin 93 carried by the frame member 67.

In the position shown in the drawings (Fig. 2) it Will be noted that thetotalizer frame is normally locked and any downward movement, accidentaier intentional, will be prevented by the co-operation of the pin 90 withthe lug 80 whiie upward movement is prcvented by the snouider 92engaging the pin 93. During the operaton of the machine the key coupier39 Wiii rock the plate 78 clockwise and the initial movement Wili permitthe tota1izer frame to be rocked by the member 88 so that the totalizerpinions 76 may engage their related raci: segments since at this timethe pin 90 wi1i pass between an inclined portion 91 of the 1ug 80 andthe adjacent edge of the switching eam p1ate 85. Continued rocking ofthe plate 7 8 Wi11 positively cam the totalizer frame by the action ofcam plate to carry the tetalizer elements into their lower or engagedposition this action being assisted by the Weight of the tota1izerframe. During the continued cloekwise movement of the p1ate 78 (Fig. 2)the segments Wi11 be moved difierentially in the manner hereinbeforedescribed, and during this time the pin Wi1l contact with the undersideof the cam plate 85 te hold the totalizer fran1e positively lockedagainst upward movement thus insu engagement of the totalizer pinionswith the reeks throughout the down-stroke of the keys eventhough thekeys shouid be operat-ed quie ;ly and violent1y. When the p1ate 78 hasrocked far enough to carry the pivot point of the can1 85 past the pin90 the cam wil1 rock clock- Wise against the tension of the spring 86without disturbing the position of the pin. At a certain point in theoperation the pin 90 will be completel v disengaged from the cam platethus permitting the spring 86 to again rock the plate te its normalposition. At substantialiy the sanie time the pin 90 Wi1l pass heneaththe 1ug 79 to still prevent any movement of the pin and piste 8& Thiscondtion is obtained at the extreme end of the down-stroke of the ke vsat which time the totalizer is still nostiveiy locked in the. positionin which tne pinions are engaged with the segment racks.

At the beginning of the return movement of the plate 78 which iscontemporaneous with the return stroke of the keys, the rear wardcamming edge of the cam plate 85 wil1 cam the pin 90 upwardly thusPOSVG1Y rocking the totalizer frame te disengage the pinions fromthesegment racks. During the remainder of the return movement of thesegment 78 the pin 90 Wi1l ride over the upper edge of the cam 85 whichwill guide the pin over the 1ug 80 until the pin again occupies theposition shown in the drawings. It Will be understood that the totalizerframe is also locked against movement during the return stroke of thekeys.

In rapid operations of the machine there may be danger that the spring86 will not act quickly in rocking cam plate 85 to insure the properreturn of the pin 90 along the upper edge of the cam plate upon thereturn movement of the plate 78. T0 prevent misoperations which wouldresult if the pin 90 did not describe the proper path under thesecircumstances the shouder 84 of the p1ate 82 which carries the cam 85 isbent outwardly to co-operate with the pin 90 as the p1ate 78 reaches itsextreme forward limit of moven1ent so that if the spring 86 does notrock the plate 85 the pin contacting with the lug of shoulder84 wi1lpositively force it to the proper position. pin 90 at this time is helddown by the 1ug 79 and can, therefore, have a very positive action onthe sloping overturned portion 84. The subsequent riding of the pin 90over the rear beveled portion of cam plate 85 wil1 thus always beinsured. WVhile this device is simple it is an effective and adequateremedy for misoperations which might occur without it.

It will be observed in F ig. 2 thatthe slot in the member 88 whichcoacts with the end of shaft 74 is opened at one end. This permits theready detachment of the totalizer from the associated totalizersupporting frame since to accomplish this it is only necessary towithdraw the supporting journal pins 77 and the remova1 of the totalizerframe may be efeeted without disturbing the position of the totalizerengaging devices.

Another type of totalizer engaging mechanism which is also satisfactoryin operation and which may be snbstituted if desired for the form abo"edescribed, is shown in Figs. 5 and 6. Referring to Fig. 5, it will benoted that loose1y mounted upon the shaft 42 is a segment rack which isslotted at 951 to engage a portion of the key coupler and by means ofthis connection the segment receives the same oscillating movement asthekey coupler. The raak 95 drives a gear 96 which is attached to ashaft 97 journaled in the intermediate frames 67 and 68. The shaft 97has secured at one end an arm 98 which is provided with a spring-pressedwipe pawl 99. Also 1oosely mounted upon the sh aft 42 is a totalizerengaging cam plate 100 carrying studs 101 and 102 adapted to bealternately engaged by the shoulders of the wipe pawl 99. The plate 100is provided at its upper portion with a cam slot 103 adapted to Itshould be noted that the co-operate with apin 104 carried by one of theside arms 71 of the totalizer frame.

.It W1lbe seen that the above deseribed construction Win. provide or themovement of the totalizr into and outof mesh with the raoks for addingpurpse. Normally, the Wipe paw1 99 stands just forward-o the pin 101sothat as the segment 95 is rocked by-the key coupler and the shaft" 97is rotated through a considerable angle the arm 98 and the shoulder ofthe wipe pawl engaging the stud 101 Wili rock the oam plate 100counterolockwise thereby causing the engagement of the totalizer pinionswith the raoks through the action of camslot 103 on pin 104. It Wi1l beolear that the action of the wipe pawl on the pin 101to rock p1ate 100takes p1ace at the commencement of the operation of the coupler so thatthetotalizer Will be promptly moved into engagement with the actuators.Novv toward the end of the downward stroke of the keysthe wipe pavvlWill pass dly over the stud 102 to occupy a position above said studsimilar to its normal position over stud 101 so that when the arm 98starts on ts rear- Ward swing the shoulder of the wipe paw1 99 engagingthe stud 102 wi1l forse the 1atter downwardiy thus promptly rooking theoam plate 100 in a direction opposite to that in whch it was firstrooked and thereby disengaging the totalizer pinions romtheir ac tuatingraeks.

It is des irable to provide mechanism vvhereby the totalizer engaging.piate 100 is locked in its normal and shifted positions during theproper periods. Loosely mounted upon a stud 105 oarried by the totalizersupport frame 67 and urged downwardly by a spring 106 there is providedfor this purpose a rearwardly extending arm 107 having a lug 108normally occupying a position in rear of an extension 109 of the camplate 100. Pivotal ly mounted upon the rearward end of the arm 107 arespring-urged paw1s 110 and 111 adapted to be aiternately engaged by anextension 112 of the arm 98. A spring 113 extending between arms of thepawls urges them so that a shoulder on an arm of each of themcontaots alug 114 oarriedby the arm 107. During the initial movement of the keysand coupler the extension ll2cooperating with the pawl 111 W11 rock thearm 107 up- Wardly and carry the 1ug 108 out of engagementwith theextension 109 thus permitting the wipe paw1 99 to rock the cam plate100. After this aetion has taken place. and by virtue of the subsequentdisengagement of the extension 112 from the tail of the pawl 111 the arm107 will be forced dovvnwardly b y means 01' the springl06 so that thelug 108 Wi11 occupy a position forward of the exten sion 109 thus lockngthe cam p1ate 100 in its shiited position. During the return stroke ofthe keys the reverse operation will be efrectedsince at this time theexterision 112 Wi]l engage the tail of the pawl 110Which it passedandrooked d1y on its pivoton the forwrdstroke, and Wi1l again elevatethe arm 107 to permt a subsequent rocking of the totalizer engagng p1ate100 to its normalposition. Arm 107 Wi1l then"drop again to hold thepiate in its normal position. Durgreatest for the lowest value keys ofthe group and the least for the highest va1ue keys but even in the caseof the 9 key (Which has the highest step 51) the lost-motion affordssuficient time to permit engagement of thetotahzer pinions with theracks before the 1atter are actuated. As previouslystated overthrow ofeach diferential frame is prevented bv the co-operation of the cross rodwith the step 58 of the depressed keyand s1nce this oo-operation occ ursat the extreme end ofthe stroke of the keys the upper edges of the steps58 may for some of the keys, be formed as straight lines, although, aswill be explained, for;other keys t is preferable to sli ghtly curvethese edges. The position of the step 58 associated vvith the 9 key andthe position of the cross rod 57 when the key is fuily depressed isshown in dotted outline in Fg. 5. It wil1 be remembered that thetotalizer pinions are temporarl-y held in engagement with the actuatingracks or partially so at the very beginning of the return stroke of thekeys for a perod long enough to effect complete disengagement and duringthis period the pinions Wi11 serve to hold the segment racks stationary.It has been found in practice that rocking of the higher order keysabout the pivot shaft 83 at the beginning of the return stroke wouid beprevented and the parts would become locked if the step 58 were in theform of a Straight edge sinee the forward portio1i of the step of thekey would tend to cam the rod 57 whch is at this time locked by theaction just described. For this reason the stens 58 for the higher orderkeys such as 6, 7, 8 and 9 are formed with their edges concentric withrespect to the shaft 33. It willbe noted, however, that the arrangementis such that this is not required for the lower order keys, whose steps58 are fu-rther removed f'rom the pivot 33.

Transfer mechamsm The transfer mechanism employed for the wheels abovethe units order is of the type in which the several orders areindependent- Iy and successively actuated and it is operated upon thereturn stroke of the keys at which time the totalizer pinions are out ofmesh with their respective actuators.

Each totalizer wheel earries a transfer pin 115 (Fig. 8) which is in theplane of an ex tension 116 of a spring-urged transfer trip pawl 117provided with a stepped shoulder 118 (Fig. 8). iie transfer pawls 120are urged eeunter-clockwise (Fig. 8) by eoii springs 128 so thatnormally a lug 121 formeel thereon rests np0n the shonlder 118. Eacl1transfer pawl is pivotallg" meented npon a related arm 122 all of whichare journaled on a shaft 123 carried by a pair of ears fermed on asupporting bar 124 securely fixed between the side frames 71 and 72 ofthe totalizer. When a totalizer wheei of a higher order makes a comnleterevolution the pin 115 Will urge the transfer strip paw forwardlythereby disengaging the lng 121 from the shoulder 118 and permitting thespring 128 to urge the pawl downward until the bottom edge ofthetransfer pawl rests upon the supporting bar 124. At this time theengaging end of the transfer pawl will be bronght into operativeengagement with a tooth of a ratehet wheel 125 (Fig. 8) attached to thepinion of the next higher order wheel so that When the transfer pawl ismeved rearwardly co-operation of the pawl with the ratehet wheel Wi1ladvanee this wheel t0 effect the necessary transfer. In 50 doing thetransfer pawi will also be raised due to the camming action of the nextratehet tooth so that the lug 121 Wil1 again rest upon the shonlder 118.

When a pawl 117 is tripped er forced forward by a transfer pin 115 as&bOVB deseribed, the transfer pawl 120 will be released and Will bedrawn downward by the c0il springs 128, het if they should move downwardt00 slowly or by any means beeome stuek in their elevated positions theyare positively foreed downward by pins 1171 (Fig. 8) carried by the trippaw1s and adapted te engage the upper edge of the transfer pawls.

The tail of the pawl 120 is bent te form a lug 119 which is adapted teco-operate with the forward edge of the arm 122, and. is provided forthe purpose of preventing said pawl from being out of engagement withthe ratchet teeth at the end of the extreme rearward travel ef said pawlwith the result that overthrow due to a to rapid transfer eperatien isprevented.

The upper edge of the transfer pawl 120 is preferably notched as at 1200(Figs. 7 and 8) so that at the extreme end of the trans fer eperationthe pin 1171 will overlie the notch 1200, the upper end of the pawl 117having followed the pawl 120 rearward in the operation of the latter.This permits 111g 119 to contact the forward edge of the arm 122 and actas an o"erthrow preventer. If s0 desired the notch 1200 and lng 119 maybe dispensed with so that pin 1171 co-acting with the upper straightedge of the pawl 120 Will prevent overthrow. In some instances it may bedesired to use b0th the pin 1171 and lug 119 to prevent overthrow.

The 1neans whereby the transfer pawls are snccessively aetuated s0 as teeffect the necessary transfers eomprises, as shown in Fig. 7, series oflinks 126 eaen connected to a related arm 122 and slotted s0 as toengage and rest upon the oscillating transfer shaft 97. pon the shaft 97are secured a plurality of transfer cams 127 which are spiraliy arrangedas te aetuate the links 126 of the different denominational ordersseriatim. Eaei1 cam 127 is in the plane of a pin 129 carried by itsassoeiated link 126. It will be obvious that during the downward strokeof the keys the transfer shaft 97 Will first be rocked counter-elockwiseas previously desciibed, and by the co-operation of the cams 127 withthe pins 129 the several links Will be suceessively elevated tl1usrocking of the links 126 being guided by the c0-operation of concentricedges 130 of the links with the shaft 97 until the eams clear the pinswhereupon the links Will drop to their n0rmal positiens. During thereturn stroke of the keys the cams 127 Will engage the opposite sides ofthe pins 129 tl1ereby forcing the links forwardly, the latter beingguided in their movements by the slotted portions ab0ve fingers 131engaging the shaft 97. In this manner eaeh of the transfer pawls Will beaetuated and these that have been tripped W1ll efieet transfers. Whenthe cam 127 clears the pin 129 the c0il spring 128 eenneeted between thearm 122 and its assoeiated transfer pawl Wii1 return the parts t0 -normal (Fig. 7 It Will be noted that as the cam 127 moves the link 126forwardly t0 force the transfer pawl rearwardly the ends of the springWill be brought togetner thus storing up additional energy in the coilspring 128 and this energy is released When the cam 127 leaves the pin129. Since the link 126 by meving the arm 122 stores up energy in spring128 tl1is energy Will be dissipated to return pawl 120, arm 122 and link126 When the latter is released from the cam 127. When the link 126 isreleased the en ergy in the spring 128 will tend t0 rock the pawl 120counter-cloekwise but sinee the pawl already contacts a stationarymember the energy will be used to rock arm 122 eloekwise thus forcingarm 126 rearwardly and pawl 120 forwardly.

t will be observed from what has ust been stat-ed that the upwardmovement of the links 126 is produced by the cam 127 during the downwardmovement of the keys, and that after each cam 127 is entirely disengagedfrom the related pin 129 the weight of the link is depended upon terestore it to its lower position where it rests upon the shaft 97 sothat shortly after this the reverse movementof the cam 127 Will forcethe link orwardly t0 efiecta transfer. In rapid Operations of themachine tl1e weight of tl1e member 126 nuay n0 be srifiicient to restoreit to its normal position prior to the return inovernent of the cam 127'so that if the links 126 should loe held by rictional forces tl1efinger portion of the link indicated by cl1e reference cl1aracter 131(Fig. 7) Would engage the rear portion of the transfer shaft 97 andthereby prevenc urth er operation of he keys. In order to prevent suchmisoperations a tensioningdevice which is com mon to the links 126 isprovided and as shown in Figs. 7 and 9 comprises a member 132 which islocsely pivoted upon the tie rod 69 anel is urged C10CllS by a spring133 so chalbent extensions 13 1 tl1ere0f co-operate witl he upperrearward edges of all the links, 126. As will beobserved in Fig. 0 aplurality of ;hese extensions are grovided to co-operate with all of lielinks but normal- 1y the exensions are slightly above the links aild areheld in l1is position by means of a lug 13.5 integral with the member132 contacting a portion of said frame 67.

It Will also be observed in Fig. 7a that the cam 127 associated with thetransfer elements between ehe units and dinies denominational orders isof differentcontour than the other cams in thata considerable portion ofits ouer periphery is. concentric with respect to ll8 shaft 97 sothat atthe beginning of the operation of the sl1aft the high concentric portionof elis Cam Wil'l alrnost immediately coact with tlie in 129 of herelated link 126 and Will raise the latter and hold it elevated ior aconsiderable period. Since one o tlie extensions 1341 coacts wit-h theupper side of this link it will rock tl1e member 132 upwardly againstthe tension in the spring 135 and will reain it in this position untilthe operated key reaclifl5 close to the end of its downward srke. Thiscon struction prevents a ratcheting effect whi'ch would otherwise occuras tlie pins 129 of the several links 126 successively drop from thehigh portions 0' their related cams 127. llhen the pi n 129 leaves tneouter concentrc part of the cam 127 of the l oWesc denoinina fiona lorder, thememloer 132 is released, so tl1at the spring 133 Will urge itdownwardly and if one of the links 120 should 'be held elevated due tofriction the related extension 13 1 Will urge it doWnwardly co itsnormal position. This insures restoraton of tl1e links to their normalpositions prior to tl.eir 'forward movements and it will be apparentthat by i?l1lS means the danger of he portions 131 co-acting with theshaf;97 Will minimized if not altogether obviated.

The spring 133, is ensioned only during bl1e down stroke of the keys When t he most ower is av arlable. S1nce 2 o ect1ons 13 1 P are a sligl1tdistance above tlie links 126 during the return stroke ofthe keys fhespring 133 will have no action. on the arms 126 and Will, therefore, notplace any additional load on tl1emachine at a time when the availablepower is least.

It willb e observed that a transfer pawl and related devices areprovided I"or all of the wheels of denominational orders l1i her thanthe units and ihe several orders I1OH1 lower to higher are operatedsuccessively so that at the end or an operation of the inachine thetransfer pawls will al] have been operated and by thus co1npleting henecessary transfers the totalizing wl1eels Will indicate hetrue toal sumregistered.

he machine also inclu des an indicacing meehanism whereby the items asrepresented by the var-ious 'keys depressed are pub licly indicatedduring eaoh operation of the machine. Tlie indicators in the presentinstance comprise flat tablets bearing suitable indicia, the tabletsloeing provided wit-11 stems which co-operate wish the Operating keys.As best shown in 1gs. 4: and 10, the indicators are arranged in groupsof tliree so that for a full bank of nine keys there Will be l1reeadjacent groups of indicators. By this construction it will be obviousthat all of the indicators are more nearly in the same plane than itwould be possible to place tl1em i each group contained the nine tabletsrelated to a particu lar deno1 nination. Thus, in the even of the.depression of adjacent keys of different denominational orders oneindicator will not hide the other totl1e same eirtent if che wereotherwise arranged. Tl1e upper portions of the indicators as Will beseen in Eig 10carry tl1e designating char acers and the characterbearing portions are integral witl1 indicator stems 140. The indi catorsare coniined and guded in their reciproca-ory movements by haring, thestems fitt ed inco slots formed in supporting plazes 141 and 1 12 whichare at'cached t o the cross bars 24 and 25 respectively. t will be notedin Fig. 10 th at,of t he indicators of a group of three tlj1e foremostindicator has its stem to the left 0 acentral Vertical line and t-l1athe stem is in the patlr of therear end of its related key. Furthermore,the rearmost indicators of the several groups have their stems to theright of the vertical center line, these stems also being in the planesof their related keys. The intermediate indicator of each group however,is different in shape from the others, and has its indicator stemcentrally locaeedso that it is directly in line with the rear end of itsoperating key. By this construction and arrangement it Will be oovious.tha: each indicator may loe directly elevated by its associatedkey.

The stem of each indicator is provided w'ith rectan ular slot-s 148 and144 (Fig. which are separated by an integral portion 145. As Will heobserved trom Fige. 2., 4 and 1.0 extending between the side members and21 is an indicator retaining bar or bail 146 located iorwardly 01" theindicators and pivoted by integral side arme 147 which are apertured toreceive a shaft 148 extending transversely of the machine and jonrnaledin the side frames 20 and 21. The bar 146 is of a channel orn1ation andthe iower hori zontal portion is formed with a plnrality of projectinging-ers 149 snostantialiy equal in length (Figs. 2 and 10) and each ofwhich projects through the lower rectangular slot 144 of one of theindicator stems. The 00- operation of the lower ends of the slots 144with the fingers 149 serves to stop the upward movement of theindicators when raised by their keys and especially to prevent anymxerthrow movement o an indicator when the associated ley is operatedviolently and quickly.

The upper portion of the channel bar 146 is also provided withprojecting fingers 150 which shown in Fig. 4 are of different lengths.Normally oach finger projects into the upper slot 143 of an associatedindicator. However, when an indicator is elevated the related iingcrwill co-operate with the slot 144 and will hoid the indicator in raisedposition by means of cross piece 145 the construc tion being suoh that adefinite rocking movement ot the bar 146 will serve to disengage all ofthe fingers 150 from co-operation with the siots of the relatedindicators. This permits a11 of the indicators to be released atsubstantially the same time during the cycle of opcration of theindicator releasing mechanism.

As best shown in Fig. 17 one of the side memcarried by the side frame 21the extreme forid end of the siidable member 151 being pro2ided with alng 153 which is in the plane of en extension 154 of the key couplersuppoting element 41. A spring 155 (F ig. 17) connected between themember 151 and a stud carried by the side frame 21 nrges the bar 146rearwardly to the position shown in Fig. 1? until stopped by anextension 1461 integral with one of the side arme 147 co-acting with thenar 24.

The operation of the above described mech anism is as follows, it beingassnmed that an indicator l1as previonsly been elevated as shonn in Fig.2, at which time it Will be noted that the integral portion 145 01" theindicator sten. 1CSLS r.pon its associated finger 150 so that theindicator is held elevated Whore it may be observed tnrough the openingat the top of the cabinet. During the downward strolze of the keys theextension 154 of the coupler supporting plate Wi11 co-operate with thelng 153 thereby forcing the member 151 forwardly against the tension ofthe spring 155 rocking the bar 146 so that at a certain point in theoperation of the machine the inger 150 W11l be disengaged from theportion 145 of the exposed indicator and since it is assumed thatanother key in the bank has been depressed the previously elevatedindicator Wi1l drop to its normal position at which time the portion 145Will rest upon its related finger 149 to retain the lower end of theindicator stem slightly above the associated key as Wili be seen in Fig.2. During tl1e downward strole of the depressed key the rear end thereofWill co-operate with the stem of its related indicator raising it sothat as the finger 150 is being drawn out of the path of the portion 145of the previously ra sed indicator the portion 145 of the new indicatorwiil be pcr1nitted to pass above the relatod finger 150 after which timethe extension 154 will clear the lug 153 and permit the tension in thespring 155 to force the mem her 151 quiclrly rearwardly thereby rockingthe retaining bar 146 so that the finger 150 projects into the lowerslot 144 01 the newly raised indicator (Fig. 10) at a point beneath theportion 145 and thus holding the indicator elevated.

Vhen the extension 154 passes by the lug 1553 permitting t-he spring 155to draw the siidabie niein er 151 rearwardly, rearward movement 01 themember 151 is limited by the co-operation of the lug 153 with asl1oulder 156 formed on tl1e plate 41. This occurs jnst prior to theextreme downward stroke of the keys so that continued movement of the eyWill move member 151 slightly forl y ar.d as the key retnrns the bar 151move reawrardly nntil extension 1461 es loer afer hicli the shonlder 156ieave tl1e mg 153. Thie retains the bar 1 in its outward position for aslightly lcnger time than it wonld. be otherwise thus a1fording moretime for the eievated indica tors to drop to normal.

Dnring the ret-n movement of the keys tl1e .bstantialiy horizontal edgeof the ex- 1.54 will cooperate with the lug 153 rocking the slidablemember 151 abont its pivotal point without eec-ting any movement of thebar 146 and permitting the indicator to be retained in its normalposition. In rapid opcrations of the machine ioraard movement of themember 151 is iimited. by the contact of a shoulder 157 with the redncedportion of the stud 152.

Aude'ble sz'gnal n order to audibly indicate thatthe Ina chine is beingoperated there is provided a nevel form of bell ringing device which inthe machine 511OW11, comprises a bell 158 which earried by the stad 152.The bel1 158 (Figs.4 and 17) is in the plane of a bell hamrner 159 whichis pivotecl to the"coupler sicle plate 41 ancl has attachecl there3ospring 160. The bell hammer 159 is provided;vvith a lug 161 in the planeof a pin fixecl te the sicle plate 21. 115 will ncte-:l that when themachine is operated the plai1e 41 will rock counter-cloclrwise (Fig. 17)so that the pin 162 cooperating wich the sur 'ace of the lug16-l Willrock the bell hammer 159 clockwise against-the tension in thespring-160. At a certain point in the operation of the machine the lug161 will be carriecl beyoncl ancl disengageclfrom the pin 162 permittingche spring 160 te rock the heli hammer 159 so that che hammer portionand ejected nncler the action 01 a spring to expose the same for thepurpose of malring change or receivng the money tei1clerecl.

. The drawer release mechanism in t-he illus- "orative machine isprimarily carriecl by a plate 165 (Figs. 12 ancl 14.) secured inposit-i0n. atits forwarcl encl b y means of the shafts 33 ancl 42 therearwarcl encl of the plate being prcvicled Wih an extension 166 Whi.chis locatecl beneath the cross bar 23. The plate 165 is secnrely held asiis rearwarcl end and preventecl from laeral movement bv means of aslotted plate 167 throngh Which the extensi0n 166 passes, the plate 167being; a;ttachecl to the plat-e 23 by suitable means snch as screvvs.The lre y coupler is plane of a spring-pressecl pawl 169 pivotecl to a.clrawer catch release lever 1 0 which in turn is pivotecl on a stuclcarriecl by the plate 165. The clrawer catch release lever 170 is alsoproviclecl vvith a shoulcler 171 en gagingthe upperportion of a drawercatch 172, the latter being providecl Wibh a hoek portion 173 engaging aportion of a plate 174 carriecl by the cash ravver 175. A

spring 176 connects the clrawercatch release lever with the drawercatch. The cash dravver is normally urgecl cntwarclly by a spring 17 61carriecl by the drawer plate 174.

The result of the aloo"e consruction is that when t-he key coupler iselevacecl the trip pin 168 will-pass by the pawl 169 without effectingany. movement. of the clrawer release lever 17 0, rclrawer catch 1721During the return movement of the operating keys, which is c0ncomitantzwith the clownward movement of the key coupler, the trip pin 168 Will engage the opposite sicle of the pawl ancl sincethe latter contacts Wl1 astncl carried lcy :he drawer catch release lever 170 it Will rock thelatuer cloclrwise against the tension of the spring, 17.6 therebydisengaging the shonlcler 171 fr0m the clravver catch. This vvill resultin releasing the hoek 173 from the plate174 ancl permitting the spring1761 to be eiect1ve to orce the cash drawer outwarcl.

Machine control In thetype of machine shovn in the drawcash clraweratthe end of each operation so as not to leave the money contamed there1nexposecl between Operations of the machine.

The purpose of such consiarnctions is also to compel the operator of themachine to make some record or inclication before access tot'he moneycontained inthe clrawer may he had.

In certain uses of inachines it is clesirable to cl1sable the mechamsmust clescr1becl soas to permit successive operations of the machineclnring rush hourswithout closing the cash clrawer aiter each operation.Again it is desiralcle at times to. lock the operating keys irrespective of the position ofthe cash clrawer so as to prevent tamperingby unauthorized persons.

T0 provicle for these functions the mechanisniembocliecl in theillustrative machine is placecl uncler the conrol ofa single lever whichmay he operatecl from the exterior of the machine, bnt which may belocked so that movement of the lever canirct be performecl except bypersons having the le v of the lock. The control lever is adaptecl tobeshifted to any one of three positiohs to accomplish a corresponcling oneof the f1inctions ahove Open dmwer position of contool Zever As is bestshoWn in Figs. 1 ancl 14 tlie control lever 180 projects through a slotin the machine cabi1iet the latter being proviclel with the rearward.end of the coupler 39 and extencls furcher downvvardly so as to contactwith. the drawer plate 174. Attachecl tothe locking lever182is a spring184 which tencls to roclrit counter=clockvvise (Fig. 14). Se-

cureclto t-he shaft 181 is a clownwardly ex-j

